using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Demo1
{
    class UserName
    {

        private string name;
        private string password;
        private int usenameid;

        public string Name
        {
            get { return this.name; }
            set
            {
                this.name = value;
            }
               
        }
        public string Password {
            get { return this.password; }
            set { this.password = value; }
        }
        public int Usenameid {
            get { return this.usenameid; }
            set { this.usenameid = value; }
        }
        public void Use(string value) {
            this.name = value;
        }
        public void Introduce()
        {
            Console.WriteLine("我是{0}我的密码是{1}我的用户Id为{2}", this.name, this.password, this.usenameid);
        }
        }
}
